A Curve with a Positive but Decreasing Slope Represents a Relationship

Multiple Choice

A curve with a positive but decreasing slope represents a relationship where,every time the variable measured along the horizontal axis increases by one unit,the variable measured along the vertical axis

A) increases by a constant amount.
B) increases by an increasing amount.
C) increases by a decreasing amount.
D) decreases.
E) does not change by much.